Bearings are pressed into the bottom bracket cups.Ģ4mm Spindle Crank (Shimano HollowTech II, etc.):Ģ2mm/24mm Spindle Cranks (SRAM / Truvativ GXP): Non-drive side bearing is pressed into the non-drive side bottom bracket cup. Drive side bearing is pressed on the spindle up against the crank arm. Spindle is permanently attached to the drive-side crank arm. Bearings are pressed onto the spindle next to each crank arm instead of pressed into the bottom bracket cups. Mountain version designed to work in frames shell width from 73mm to 92mm.Ģ-piece crankset using a hirth joint in the middle of the spindle. Road version designed to work in frames shell width from 68mm to 86.5mm. Please see our 24.07 x 37 bearing for use with these cranks.Ĭrank spindle diameter is 30mm from end to end.Ĭrank spindles are 30mm and then have a step-down to 28mm to lock on the non-drive side bearing. These cranks will not work in normal 24x37 bearings. NOTE: FSA MegaEXO crank spindle diameters can be as large as 24.07mm. Can be used in BB30, PF30, BBRight, 386EVO frames with the appropriate length spindle.ĭesigned to work in frames shell width from 68mm to 86.5mm.ĭesigned to work in frames shell width from 68mm to 92mm. 3-piece crankset with separate, replaceable spindle. Different length spindles can be used depending on the frame/bottom bracket configurationĬannondale crank for use in BB30A or PF30A frames. Splined interface much like Shimano HollowTech II. Used in both BB30 and PF30 bottom bracket shells. 29mm diameter spindles. Meant to be used across all BB standards.ģ0mm spindle diameter cranks. Uses wave washer on drive side of crankset to take up any play in crank. The crank slides completely through a 24x37 drive side bearing and stops against a 22x37 non drive side bearing. Spindle diameter is 24mm on the drive side, and 22mm on the non-drive side where the splines are. Crank spindle is pressed into the drive side crank arm. Spindle length varies depending on type of crank (road, Mountain, Triple, etc.). Scroll to bottom of page for photos of each crank type.Ĭurrent Shimnao crank specification. Then use the chart below to help identify key crankset dimensions needed to select the correct bottom bracket for your frame. First identify your frame's Bottom Bracket Standard. Finding the correct bottom bracket for your frame can be challenging.
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